Which of the Following Contains 9

question 110

Multiple Choice

Which of the following contains 9.02 × 10²³ atoms?

• A)4.00 g H₂
• B)9.00 g H₂O
• C)28.0 g N₂
• D)32.0 g O₂
• E)none of the above

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Definitions:

Forebrain

The anterior part of the brain, including the cerebral hemispheres, thalamus, and hypothalamus, involved in complex functions.

Afferent

Relating to or denoting nerve fibers that carry sensory information toward the central nervous system.

Efferent

Referring to nerve fibers that carry signals away from the central nervous system to the peripheral effectors, such as muscles or glands.

Midbrain

A portion of the central nervous system associated with vision, hearing, motor control, sleep/wake, arousal (alertness), and temperature regulation.